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How to escape text for regular expression in Java
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Please not that this doesn’t escape the string itself, but wraps it using \Q and \E. This may lead to unexpected results, for example Pattern.quote("*.wav").replaceAll("*",".*") will result in \Q.*.wav\E and not .*\.wav, as you might expect.
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Match multiline text using regular expression
...end of each line (otherwise they only match at the start/end of the entire string).
Pattern.DOTALL or (?s) tells Java to allow the dot to match newline characters, too.
Second, in your case, the regex fails because you're using the matches() method which expects the regex to match the entire strin...
What is normalized UTF-8 all about?
...w has a PHP library ) contains the classes needed to help normalize UTF-8 strings to make it easier to compare values when searching.
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.NET HttpClient. How to POST string value?
...ions.Generic;
using System.Net.Http;
class Program
{
static void Main(string[] args)
{
Task.Run(() => MainAsync());
Console.ReadLine();
}
static async Task MainAsync()
{
using (var client = new HttpClient())
{
client.BaseAddress = ...
javascript regex - look behind alternative?
...per explanation for this regex can be found at Regular expression to match string not containing a word?
Look ahead is available since version 1.5 of javascript and is supported by all major browsers
Updated to match filename2.js and 2filename.js but not filename.js
(^(?!filename\.js$).).+\.js
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Calendar date to yyyy-MM-dd format in java
...T.
When you use something like System.out.println(date), Java uses Date.toString() to print the contents.
The only way to change it is to override Date and provide your own implementation of Date.toString(). Now before you fire up your IDE and try this, I wouldn't; it will only complicate matters...
Hashset vs Treeset
...et to create the Set and then convert it into TreeSet.
e.g. SortedSet<String> s = new TreeSet<String>(hashSet);
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convert String to DateTime
I need to parse following String into a DateTime Object:
30/Nov/2009:16:29:30 +0100
8 Answers
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Javascript Array of Functions
...u want to execute a given function in the array:
array_of_functions[0]('a string');
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Better way to check variable for null or empty string?
...tion (present and neither empty nor only white space
function IsNullOrEmptyString($str){
return (!isset($str) || trim($str) === '');
}
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